streambuf.pass.cpp (1420B)
1 //===----------------------------------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 // <iterator> 11 12 // istreambuf_iterator 13 14 // istreambuf_iterator(basic_streambuf<charT,traits>* s) throw(); 15 16 #include <iterator> 17 #include <sstream> 18 #include <cassert> 19 20 int main() 21 { 22 { 23 std::istreambuf_iterator<char> i(nullptr); 24 assert(i == std::istreambuf_iterator<char>()); 25 } 26 { 27 std::istringstream inf; 28 std::istreambuf_iterator<char> i(inf.rdbuf()); 29 assert(i == std::istreambuf_iterator<char>()); 30 } 31 { 32 std::istringstream inf("a"); 33 std::istreambuf_iterator<char> i(inf.rdbuf()); 34 assert(i != std::istreambuf_iterator<char>()); 35 } 36 { 37 std::istreambuf_iterator<wchar_t> i(nullptr); 38 assert(i == std::istreambuf_iterator<wchar_t>()); 39 } 40 { 41 std::wistringstream inf; 42 std::istreambuf_iterator<wchar_t> i(inf.rdbuf()); 43 assert(i == std::istreambuf_iterator<wchar_t>()); 44 } 45 { 46 std::wistringstream inf(L"a"); 47 std::istreambuf_iterator<wchar_t> i(inf.rdbuf()); 48 assert(i != std::istreambuf_iterator<wchar_t>()); 49 } 50 }